State comparison · 2025
Heating, Air Conditioning, and Refrigeration Mechanics salary: Alabama vs Illinois
Heating, Air Conditioning, and Refrigeration Mechanics in Illinois earn a median of $77,410. In Alabama, $48,370. After cost-of-living, the gap is 29.6% — not 37.5%.
Nominal pay gap
-37.5%
Alabama vs Illinois
COL-adjusted gap
-29.6%
After BEA Regional Price Parities
Alabama
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $48,370
- p25
- $40,340
- p75
- $60,020
- p10
- $36,510
- p90
- $65,690
- COL index (BEA RPP)100 = US average
- 88.8
Illinois
Heating, Air Conditioning, and Refrigeration Mechanics
- Median
- $77,410
- p25
- $60,200
- p75
- $96,030
- p10
- $46,690
- p90
- $117,550
- COL index (BEA RPP)100 = US average
- 100.0
BLS Occupational Employment and Wage Statistics, May 2025. Cost-of-living adjustment from BEA Regional Price Parities (overall index). Hiring velocity from DOL OFLC public disclosure data, recent 180 days vs prior. See methodology.